28778199

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3917}}^1$

素因数の和:4030

約数の個数: 16

約数和(自身を含む): 40120320

約数和(自身を除く): 11342121

約数列:

[1, 3, 31, 79, 93, 237, 2449, 3917, 7347, 11751, 121427, 309443, 364281, 928329, 9592733, 28778199]

約数ペア:

[(1, 28778199), (3, 9592733), (31, 928329), (79, 364281), (93, 309443), (237, 121427), (2449, 11751), (3917, 7347)]